Hello Peter, I believe the USB spec was written with IEC60950 (clause 2.5: Limited Power Sources) in mind. It is not 100% guarantee to pass the requirement until being tested upon. So far I haven't come across system with USB interface (version 1.0 ~2.0) that fail this requirement. Cheng-Wee Lai Product Safety Department/Manager EMC Compliance Management Group Tel: 650-988-0900 ext. 118 Fax: 650-988-6647 email: [email protected]
From: [email protected] [mailto:[email protected]]On Behalf Of peter merguerian Sent: Wednesday, May 07, 2003 11:10 AM To: [email protected] Subject: USB Interface Dear All Where can I find a document regarding the international standard for USB interfaces? Does a computer USB interface meet the power limited criteria in IEC 60950? Peter _____ Do you Yahoo!? The New <http://us.rd.yahoo.com/search/mailsig/*http://search.yahoo.com> Yahoo! Search - Faster. Easier. Bingo.

